 | John Charles Van Dyke - Landscape - 1898 - 332 pages
...of the bush which is in shadow. The rule governing our perception of reflections is a familiar one : The angle of reflection is always equal to the angle of incidence. Practically applied to our illustration, this means that standing twenty feet above the bush and fifty... | |
 | Eugene Lommel - Physics - 1899 - 698 pages
...r, which the incident ray on the one side and the reflected ray on the other, make with the normal. The angle of reflection is always equal to the angle of incidence. A ray (pm) striking the mirror perpendicularly, is reflected into itself (toward mp). From this law... | |
 | John Frederick Herbert - Eye - 1901 - 84 pages
...LIGHT That property by which a ray of light rebounds or is sent out again when it strikes an object. The angle of reflection is always equal to the angle of incidence, and they are at right angles to one .-mother, and may be likened to the action of a billiard ball when... | |
 | Edward E. Gibbons - 1904 - 498 pages
...reflected ray and that of the mirror. The two following laws are observed in the reflection of light : (1) The angle of reflection is always equal to the angle of incidence, and (2) the incident and the reflected rays occupy the same plane. In the figure below M is the face... | |
 | Daniel Base - Plant anatomy - 1905 - 120 pages
...from the wave theory of light, that in a plane mirror the reflection follows a fixed law, namely, that the angle of reflection is always equal to the angle of incidence ; that is, the angle CDP is always equal to the angle ODC. Fig. 1. Fig. 2. What is true for one ray,... | |
 | Vincent Thomas Murché - 1906 - 312 pages
...as the incident ray, that the line perpendicular to the mirror at that spot is the normal, and that the angle of reflection is always equal to the angle of incidence. Think of this, and you have the whole secret of the curved mirrors. In our sketch a ray parallel to... | |
 | Charles McCormick - Eye - 1906 - 212 pages
...medium, therefore if we know the index figures of the two mediums we can find where a ray will go. The angle of reflection is always equal to the angle of incidence. The ray R starts toward 1, is broken at the first surface and takes direction of 2, is broken at the... | |
 | James John Lewis - 1909 - 260 pages
...Reflection (re-flec'-shun). Throwing back light. Reflection from a plane surface gives an erect image, and the angle of reflection is always equal to the angle of incidence. The image is formed at a distance behind the '-effecting surface equa' v ci £-,tn LI i aj .3 vv 11.11/1.1... | |
 | George Van Ness Dearborn - Physiology - 1908 - 576 pages
...horizontal axes so that its surface may be at various angles to the rays of light. Observe (A) that the angle of reflection is always equal to the angle of incidence, and (B) that the incident ray, the perpendicular at the point of incidence and the reflected ray are... | |
 | Kent Oscanyan Foltz - Eye - 1909 - 598 pages
...headings. REFLECTION OF LIGHT. — Light falling upon a polished surface has a portion of it reflected. The angle of reflection is always equal to the angle of incidence. In examinations of the eye, either plain or concave mirrors are used. A plain mirror reflects rays... | |
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... the angle of reflection is always equal to the angle of incidence, the image for any point can be seen only in the reflected ray prolonged. 
